76691d9aaba862b747ad897d8f215e69b857458a3a11cadc18483281470b324b

General

Target

2701-2-P.xlsm
Size

25KB
MD5

2f2d175d760c8a09a300026dc671d37d
SHA1

0298f2a15385f566cbfa21c5027678aec4e70536
SHA256

76691d9aaba862b747ad897d8f215e69b857458a3a11cadc18483281470b324b
SHA512

312ccfd222f6f54353586952ecac036a89e1f157f98880ab478f93eae74c117c25f5cfd7be3d815357e1c87143b02ede29bcb40f43457f578707c312f9ea0d7c

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://eurobones.com.br/server.php

Signatures

Process spawned unexpected child process 2 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

reg.exerundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1672	1968	reg.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1484	1968	rundll32.exe	EXCEL.EXE

Deletes itself 1 IoCs

Processes:

EXCEL.EXE

pid process

1968 EXCEL.EXE
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1968 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1968 wrote to memory of 1672	1968	EXCEL.EXE	reg.exe
PID 1968 wrote to memory of 1672	1968	EXCEL.EXE	reg.exe
PID 1968 wrote to memory of 1672	1968	EXCEL.EXE	reg.exe
PID 1968 wrote to memory of 1672	1968	EXCEL.EXE	reg.exe
PID 1968 wrote to memory of 1484	1968	EXCEL.EXE	rundll32.exe
PID 1968 wrote to memory of 1484	1968	EXCEL.EXE	rundll32.exe
PID 1968 wrote to memory of 1484	1968	EXCEL.EXE	rundll32.exe
PID 1968 wrote to memory of 1484	1968	EXCEL.EXE	rundll32.exe
PID 1968 wrote to memory of 1484	1968	EXCEL.EXE	rundll32.exe
PID 1968 wrote to memory of 1484	1968	EXCEL.EXE	rundll32.exe
PID 1968 wrote to memory of 1484	1968	EXCEL.EXE	rundll32.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\2701-2-P.xlsm
1⤵
- Deletes itself
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\SysWOW64\reg.exe
"C:\Windows\system32\reg.exe" EXPORT HKCU\Software\Microsoft\Office\14.0\Excel\Security C:\Users\Public\Documents\ln3G.txt /y
2⤵
- Process spawned unexpected child process
PID:1672

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\zTURnWKa.txt,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1484

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\Documents\ln3G.txt
MD5
1084b35cb1aecef496dfdb263760a40c

SHA1
43d95f062749f3143838fe39460b3c5d541e194a

SHA256
48ccd7a8ed9873ff73eec7252ed9ce2882389aa43a5ec5ad072168c43320b25c

SHA512
9dbcfe0f39e04700f252b95cfb73a7977fe7a2ffe8de98510c9f62988300754c4e8eeb0a152ad87db71b28ee8c2fcb97d136215d2898ccbee5b8837a31eb7212

Download Submit
C:\Users\Public\Documents\zTURnWKa.txt
MD5
57f84753fb0a6f08c46088ad0f9ad44d

SHA1
0a088107533565151fba25ca2cd0b3dd9d42be3d

SHA256
711b5768ce2accfdef00bd8b80ae100a3283fe00513c3ac65b02a5838fcd3516

SHA512
68385a041cbae27eb7af97037020baf23792fc7f7de83577e1c91d55a8c1fa8f719dd86332536ed77a358b7b558b11e8c498c2850de09634f7cb6f1fb2c0ff29

Download Submit
memory/1244-8-0x000007FEF5E90000-0x000007FEF610A000-memory.dmp

Filesize
2.5MB

Download
memory/1484-9-0x0000000000000000-mapping.dmp

Download
memory/1484-10-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

Filesize
8KB

Download
memory/1672-6-0x0000000000000000-mapping.dmp

Download
memory/1968-2-0x000000002F2D1000-0x000000002F2D4000-memory.dmp

Filesize
12KB

Download
memory/1968-3-0x0000000071031000-0x0000000071033000-memory.dmp

Filesize
8KB

Download
memory/1968-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1968-5-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads